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39 lines
1.5 KiB
SQL
39 lines
1.5 KiB
SQL
SET send_logs_level = 'none';
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DROP TABLE IF EXISTS test_00808;
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CREATE TABLE test_00808(date Date, id Int8, name String, value Int64, sign Int8) ENGINE = CollapsingMergeTree(sign) ORDER BY (id, date);
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INSERT INTO test_00808 VALUES('2000-01-01', 1, 'test string 1', 1, 1);
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INSERT INTO test_00808 VALUES('2000-01-01', 2, 'test string 2', 2, 1);
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SET enable_optimize_predicate_expression = 1;
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SELECT '-------ENABLE OPTIMIZE PREDICATE-------';
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SELECT * FROM (SELECT * FROM test_00808 FINAL) WHERE id = 1;
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SELECT * FROM (SELECT * FROM test_00808 ORDER BY id LIMIT 1) WHERE id = 1;
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SELECT * FROM (SELECT id FROM test_00808 GROUP BY id LIMIT 1 BY id) WHERE id = 1;
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SET force_primary_key = 1;
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SELECT '-------FORCE PRIMARY KEY-------';
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SELECT * FROM (SELECT * FROM test_00808 LIMIT 1) WHERE id = 1; -- { serverError 277 }
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SELECT * FROM (SELECT id FROM test_00808 GROUP BY id LIMIT 1 BY id) WHERE id = 1; -- { serverError 277 }
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SELECT '-------CHECK STATEFUL FUNCTIONS-------';
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SELECT n, z, changed FROM (
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SELECT n, z, runningDifferenceStartingWithFirstValue(n) AS changed FROM (
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SELECT ts, n,z FROM system.one ARRAY JOIN [1,3,4,5,6] AS ts,
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[1,2,2,2,1] AS n, ['a', 'a', 'b', 'a', 'b'] AS z
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ORDER BY n, ts DESC
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)
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) WHERE changed = 0;
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SELECT arrayJoin(arrayMap(x -> x, arraySort(groupArray((ts, n))))) AS k FROM (
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SELECT ts, n, z FROM system.one ARRAY JOIN [1, 3, 4, 5, 6] AS ts, [1, 2, 2, 2, 1] AS n, ['a', 'a', 'b', 'a', 'b'] AS z
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ORDER BY n ASC, ts DESC
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) WHERE z = 'a' GROUP BY z;
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DROP TABLE IF EXISTS test_00808;
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